A one-shot (fictional) GSG story of Gattonero, one of the Second Generation cyborg in Gunslinger girl series, retelling her past of how she became an assassin government and relationship with Yarrow, her handler.

A one-shot story that revolves around 3 of the second generation cyborg; Fleccia, Soni, and Gattonero in their Saturday-routine workout. It's not just about spies and assassination, it's how the girl faces their everyday lives in the place

Focusing the rarely-used Second-gen fratelli characters, And sets in the town in Florence, A story about a simple murder committed by an anonymous gunman towards the agency fratello leads to mystery that soon escalates to something bigger, involving Yarrow's own past.

A one-shot story based on the Armored warfare's F2P Multiplayer video game which sets in a world after the world's economic collapse in 2016. As the world's government began to downsize their army, the Mercenary groups for hire became popular in the new modern warfare. With the rise of extremist, rebels, and cartel, It's up to the Black company's armored group to fight them.

set in the alternate paradox of the story, instead of taking roles in the Mulberry Harbor assault, Squad 7 is assigned to divert the Imperial's attention to them. The story focus on a story in the viewpoint of Squad 7's sniper Marina Wulfstan and Catherine O'Hara. A lost journey in the woods leads them to more surprise.